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SAE-AISI T1 Steel vs. AISI 434 Stainless Steel

Both SAE-AISI T1 steel and AISI 434 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
520

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 1810
1510
Melting Onset (Solidus), °C 1750
1430
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
25
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.4
Embodied Energy, MJ/kg 130
33
Embodied Water, L/kg 90
120

Common Calculations

PREN (Pitting Resistance) 34
20
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
19
Strength to Weight: Bending, points 20 to 40
18
Thermal Diffusivity, mm2/s 5.2
6.7
Thermal Shock Resistance, points 23 to 64
19

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.12
Chromium (Cr), % 3.8 to 4.5
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
78.6 to 83.3
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0